X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f996b,ced2b975ce40b48d X-Google-Attributes: gidf996b,public X-Google-ArrivalTime: 2001-11-21 05:42:22 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!fu-berlin.de!uni-berlin.de!212.120.170.102!not-for-mail From: grue@mail.ru (Timofei Shatrov) Newsgroups: alt.ascii-art Subject: Re: Tali's Moogies Date: Wed, 21 Nov 2001 13:41:08 GMT Lines: 39 Message-ID: <3bfbab3b.12689740@News.CIS.DFN.DE> References: <9t587n.3vvbkkh.1@MK.kasperhausen.de> <9tb7k0.3vvcs93.1@MK.kasperhausen.de> <3bf94951$0$25388$edfadb0f@dspool01.news.tele.dk> <3bf94a21.11777614@news.tpi.pl> <3bfa26a2.844203@News.CIS.DFN.DE> <3bfa5392.1511474@News.CIS.DFN.DE> <9tekel.3vvab97.1@MK.kasperhausen.de> <9tgali.3vv9b6j.1@MK.kasperhausen.de> NNTP-Posting-Host: 212.120.170.102 X-Trace: fu-berlin.de 1006350136 2524324 212.120.170.102 (16 [101885]) X-Newsreader: Forte Free Agent 1.21/32.243 Xref: archiver1.google.com alt.ascii-art:11241 On Wed, 21 Nov 2001 13:36:50 +0100, Marion Koslowski tried to confuse everyone with this message: >>That's how I know the continuation. (To be more elegant, the final >>stroke of the Nikolaushaus should be the bottom horizontal line, so you >>can immediately continue on to the right without having to turn. > >So that's the trick! >I always thought the last picture have to look like this: > . . > / \ / \ > /___V___\ > |\ /|\ /| > | X | X | > |/_\|/_\| > >and I wondered why I didn't get it... > There is a theorem by Euler with which you can easily predict if the picture is "drawable". Look. This double house has 4 odd points (it means that odd number of lines goes into it): . . / \7/ \ /___V___\ |\ /|\ /| | X | X | 3|/_\|/_\|3 5 If there is more than 2 odd points the picture is "undrawable" under this rules. -- GRUE@|And to auoide tediouse repetition of these woordes: is equalle to: MAIL|I will sette as I doe often in woorke use, a paire of paralleles of RU|one lengthe, thus ===, bicause noe .2. thynges, can be moare equalle. GRUE.FREESERVERS.COM|Robert Recorde,"The Whetstone of Witte',1557.[4*72]